UV Sterilizer/Freshwater tank

This is a discussion on UV Sterilizer/Freshwater tank within the Beginner Freshwater Aquarium forums, part of the Freshwater Fish and Aquariums category; -->
Hi all. Could someone recommend a UV sterilizer that would work with the Eheim 2215 canister? I would like one that will fit in ...

Hi all. Could someone recommend a UV sterilizer that would work with the Eheim 2215 canister? I would like one that will fit in my 60 gallon hex tank stand. I was told that it would help to clear up the slightly cloudy water. I have 20 African cichlids with sand and quartz rocks in the tank. I have no live plants. I am fairly new to this size tank. I also read that I should not rinse the substrate in the filter for 6 months. Is that accurate?